// 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
  // 9999-12-31T23:59:59Z inclusive.
  optional int64 seconds = 1;

  // Non-negative fractions of a second at nanosecond resolution. Negative
  // second values with fractions must still have non-negative nanos values
  // that count forward in time. Must be from 0 to 999,999,999
  // inclusive. This field may be limited in precision depending on context.

  // +optional
  repeated string searches = 2;

  // A list of DNS resolver options.
  // This will be merged with the base options generated from DNSPolicy.
  // Duplicated entries will be removed. Resolution options given in Options
  // will override those that appear in the base DNSPolicy.
  // +optional
  repeated PodDNSConfigOption options = 3;
}

// PodDNSConfigOption defines DNS resolver options of a pod.